Please turn on JavaScript. Woollen undies In fact, the work of Dr Gustav Jaegar, a German naturalist who endorsed underwear made from animal fibres, had a bigger impact on the design of underwear. Throughout Western history women wore garments to contort their torsos into the fashionable shape of the day. For hundreds of years, they were an essential part of every woman's wardrobe and daily life. Style Compare's spoke person said that it all boiled down to the way men's underwear is designed, ie: Foundation garments were generally accepted as a healthy necessity, but there were rumblings of dissent. He recommended combination garments made from wool to help regulate body temperature and promote sweating. Beyond the tanning world.